CN204381877U - A kind of low stress adjustable axle center fixture for lathe Crankshaft Machining - Google Patents
A kind of low stress adjustable axle center fixture for lathe Crankshaft Machining Download PDFInfo
- Publication number
- CN204381877U CN204381877U CN201420858056.6U CN201420858056U CN204381877U CN 204381877 U CN204381877 U CN 204381877U CN 201420858056 U CN201420858056 U CN 201420858056U CN 204381877 U CN204381877 U CN 204381877U
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- Prior art keywords
- half shell
- lathe
- clamp head
- described secondary
- crank
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- Expired - Fee Related
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a kind of low stress adjustable axle center fixture for lathe Crankshaft Machining, and belong to field of machining, it comprises secondary half shell, main half shell, clamp head mount pad, clamp head, mobile jib groove, crank pit, crank-guide way, adjustment base plate, compresses bolt group, external compression bolt, compresses connecting plate and adjusting screw, the purpose of this utility model is, solve in engine crankshaft processing, use special purpose machine tool high cost, eccentric top processing is used to need frequent replacing top, process is complicated, machining accuracy is difficult to ensure, carry out lathe improvement process complicated, cost is high, the stress that axle work in-process is subject to is large, affect the problem in precision and bent axle service life, there is provided one can process on machine tool, expand the scope of application of scroll chuck, fixture low cost of manufacture, structure is simple, without the need to reequiping lathe, axle work in-process is made to be subject to stress low, ensure machining accuracy and the Crankshaft Machining fixture in bent axle life-span.
Description
Technical field
The utility model belongs to field of machining, relates to a kind of lathe Crankshaft Machining fixture, is specially a kind of low stress adjustable axle center fixture for lathe Crankshaft Machining.
Background technology
Engine a kind ofly can, the machine that can be converted into mechanical energy of other form, comprise as internal combustion engine (petrol engine etc.), external-combustion engine (Stirling engine, steam engine etc.), motor etc., as internal combustion engine, is normally mechanical energy chemical energy.Engine was both applicable to power generating apparatus, also can refer to the whole machine (as: petrol engine, aero-engine) comprising power set, was one of modal machine in life.
Bent axle is an extremely exquisite structure in engine, is designed with the structures such as main shaft, pitman shaft, crank, balance weight and oil duct cleverly, but ingenious just because of its structure, process is also comparatively complicated accordingly, due to the not coaxial line of crank spindle and pitman shaft, machining crankshafts or use special purpose lathe, take off the scroll chuck on lathe, use eccentric top, lathe carries out reequip baroque special fixture especially process, but special purpose lathe is expensive, the scope of application is wideless, for small lot become produce high cost, use the frequent replacing in process of eccentric top needs top, machining accuracy is difficult to ensure simultaneously, repacking turning attachment process is complicated, cost is high, and common processing mode is all by being fixed one section of axle, the stress be subject in axle processing is large, affect the service life in precision and bent axle later stage, address these problems in making, midget plant has the ability machining crankshafts, reduce the processing cost of small lot bent axle, improve Crankshaft Machining precision and be significant service life in later stage.
Utility model content
The purpose of this utility model is to provide a kind of low stress adjustable axle center fixture for lathe Crankshaft Machining, to solve in engine crankshaft process, use special purpose machine tool high cost, eccentric top processing is used to need frequent replacing top, process is complicated, machining accuracy is difficult to ensure, carry out lathe improvement process complicated, cost is high, the stress that common processing mode lower shaft work in-process is subject to is large, affect the problem in the service life in precision and bent axle later stage, there is provided one can process on machine tool, expand the scope of application of scroll chuck, fixture low cost of manufacture, structure is simple, without the need to reequiping lathe, axle work in-process is made to be subject to stress low, the Crankshaft Machining fixture in machining accuracy and bent axle service life can be ensured.
For realizing above object, the technical solution adopted in the utility model is: a kind of low stress adjustable axle center fixture for lathe Crankshaft Machining, it comprises secondary half shell (101), main half shell (102) and clamp head (302), described secondary half shell (101) and main half shell (102) coordinate, described secondary half shell (101) and main half shell (102) inside are correspondingly provided with mobile jib groove (401) by bent axle shape at correspondence position, crank pit (402) and crank-guide way (403); Described secondary half shell (101) and main half shell (102) top bond wire place are provided with adjustment base plate (204), described adjustment base plate (204) is provided with and compresses bolt group (202) and external compression bolt (205), described compression bolt group (202) top is connected with and compresses connecting plate (201), and described compression connecting plate (201) is provided with adjusting screw (203); Described secondary half shell (101) and main half shell (102) slotless one end face are provided with clamp head mount pad (301), and described clamp head mount pad (301) is provided with clamp head (302).
Further, described secondary half shell (101) and main half shell (102) bottom are connected through the hinge, and coordinate and form cylindrical structure.
Further, described secondary half shell (101) and main half shell (102) are provided with and are no less than a crank pit (402), be wherein no less than a crank pit (402) is provided with and compress croze (404).
Further, described secondary half shell (101) and main half shell (102) slotless one end face are provided with three clamp head mount pads (301), wherein have and only have on a clamp head mount pad (301) to be provided with clamp head (302).
Further, described secondary half shell (101) and the upper mobile jib groove (401) that arranges of main half shell (102) and crank-guide way (403) are combined into spindle hole (103) and tie rod holes (104).
The beneficial effects of the utility model:
1. the utility model can coordinate engine lathe to use, and without the need to buying special purpose lathe, processing cost is low.
2. the utility model coordinates engine lathe to use, need not frequent clamping workpiece again, and clamping workpiece is firm, can ensure machining accuracy.
3. the utility model coordinates engine lathe to use, and completely without the need to Lathe Modification, this body structure of fixture is simple, and low cost of manufacture, is particularly suitable for medium-sized and small enterprises' small lot batch manufacture.
4. the utility model can with the original scroll chuck of lathe with the use of, expanded applicability and the scope of application of scroll chuck.
5. the utility model fixture entirety and workpiece bump contact, disperseed the stress that workpiece work in-process is subject to, and bent axle because of machining stress generation deformation or can not reduce the life-span.
Accompanying drawing explanation
Fig. 1 is the utility model Facad structure schematic diagram.
Fig. 2 is the utility model structure schematic diagram.
Fig. 3 takes off structural representation after described secondary half shell 101 for this practicality.
Fig. 4 is the utility model is that the rear front view of described secondary half shell 101 is taken off in this practicality.
Fig. 5 is the utility model frock schematic diagram.
Described in figure, label character is expressed as:
101, secondary half shell; 102, half shell is led; 103, spindle hole; 104, tie rod holes; 201, connecting plate is compressed; 202, bolt group is compressed; 203, adjusting screw; 204, base plate is adjusted; 205, external compression bolt; 301, clamp head mount pad; 302, clamp head; 401, mobile jib groove; 402, crank pit; 403, crank-guide way; 404, croze is compressed; 5, bent axle; 501, main shaft; 502, crank; 503, pitman shaft.
Detailed description of the invention
The technical solution of the utility model is understood better in order to make those skilled in the art; below in conjunction with accompanying drawing, the utility model is described in detail; the description of this part is only exemplary and explanatory, does not have any restriction to protection domain of the present utility model.
As Figure 1-Figure 5, its structural relation is, it comprises secondary half shell 101, main half shell 102 and clamp head 302, described secondary half shell 101 and main half shell 102 coordinate, it is characterized in that, described secondary half shell 101 and main half shell 102 inside are correspondingly provided with mobile jib groove 401 by bent axle shape at correspondence position, crank pit 402 and crank-guide way 403; Described secondary half shell 101 and main half shell 102 top bond wire place are provided with adjustment base plate 204, described adjustment base plate 204 is provided with and compresses bolt group 202 and external compression bolt 205, described compression bolt group 202 top is connected with and compresses connecting plate 201, and described compression connecting plate 201 is provided with adjusting screw 203; Described secondary half shell 101 and main half shell 102 slotless one end face are provided with clamp head mount pad 301, and described clamp head mount pad 301 is provided with clamp head 302.
Preferably, be connected through the hinge bottom described secondary half shell 101 and main half shell 102, coordinate and form cylindrical structure.
Preferably, described secondary half shell 101 and main half shell 102 are provided with and are no less than a crank pit 402, be wherein no less than a crank pit 402 is provided with and compress croze 404.
Preferably, described secondary half shell 101 and main half shell 102 slotless one end face are provided with three clamp head mount pads 301, wherein have and only have on a clamp head mount pad 301 to be provided with clamp head 302.
Preferably, described secondary half shell 101 is combined into spindle hole 103 and tie rod holes 104 with the mobile jib groove 401 and crank-guide way 403 leading setting on half shell 102.
During concrete use, first processor knocks the main shaft processing outermost end on one side with scroll chuck clamping blank at common car, afterwards the utility model is adjusted base plate 202 to open, by hinge, secondary half shell 101 and main half shell 102 rotation are opened, bent axle 5 is installed and becomes owner of half shell 102, make main shaft 501 coordinate with the crank pit 402 of outermost end with mobile jib groove 401, unprocessed boule portions, then pass through hinge, half shell 101 is good with main half shell 102 rotatable engagement, and Use Adjustment base plate 204 is locked; After crankshaft workpiece tentatively clamps, Use Adjustment leading screw 203 band is automatically connected in the workpiece of compression bolt group 202 compression clamping in secondary half shell 101 and main half shell 102 compressed on connecting plate 201.
After the bent axle processing certain length part; can clamping again; the crank 502 that work spindle 501 and mobile jib groove 401, lathe process are reserved coordinates with crank-guide way 403 with crank pit 402, pitman shaft 503; the stress that the part of having processed is received in following process can be shared by secondary half shell 101 and main half shell 102; the stress that reduction main shaft 501 and pitman shaft 503 are subject to; improve machining accuracy, the service life of protection bent axle.
In process, if need main shaft or the pitman shaft of processing different axis, only corresponding clamp head mount pad 301 need be reselected, sectional fixture head 302.
It should be noted that, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise which key element, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.
Apply specific case herein to set forth principle of the present utility model and embodiment, the explanation of above example just understands method of the present utility model and core concept thereof for helping.The above is only preferred embodiment of the present utility model, should be understood that, due to literal expression finiteness, and objectively there is unlimited concrete structure, for those skilled in the art, under the prerequisite not departing from the utility model principle, some improvement, retouching or change can also be made, also above-mentioned technical characteristic can be combined by rights; These improve retouching, change or combination, or the design of utility model and technical scheme are directly applied to other occasion without improving, and all should be considered as protection domain of the present utility model.
Claims (4)
1. the low stress adjustable axle center fixture for lathe Crankshaft Machining, it comprises secondary half shell (101), main half shell (102) and clamp head (302), described secondary half shell (101) and main half shell (102) coordinate, it is characterized in that, described secondary half shell (101) and main half shell (102) inside are correspondingly provided with mobile jib groove (401) by bent axle shape at correspondence position, crank pit (402) and crank-guide way (403); Described secondary half shell (101) and main half shell (102) top bond wire place are provided with adjustment base plate (204), described adjustment base plate (204) is provided with and compresses bolt group (202) and external compression bolt (205), described compression bolt group (202) top is connected with and compresses connecting plate (201), and described compression connecting plate (201) is provided with adjusting screw (203); Described secondary half shell (101) and main half shell (102) slotless one end face are provided with clamp head mount pad (301), and described clamp head mount pad (301) is provided with clamp head (302).
2. a kind of low stress adjustable axle center fixture for lathe Crankshaft Machining according to claim 1, is characterized in that, described secondary half shell (101) and main half shell (102) bottom are connected through the hinge, and coordinate and form cylindrical structure.
3. a kind of low stress adjustable axle center fixture for lathe Crankshaft Machining according to claim 1, it is characterized in that, described secondary half shell (101) and main half shell (102) are provided with and are no less than a crank pit (402), be wherein no less than a crank pit (402) is provided with and compress croze (404).
4. a kind of low stress adjustable axle center fixture for lathe Crankshaft Machining according to claim 1, it is characterized in that, described secondary half shell (101) and main half shell (102) slotless one end face are provided with three clamp head mount pads (301), wherein have and only have on a clamp head mount pad (301) to be provided with clamp head (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420858056.6U CN204381877U (en) | 2014-12-30 | 2014-12-30 | A kind of low stress adjustable axle center fixture for lathe Crankshaft Machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420858056.6U CN204381877U (en) | 2014-12-30 | 2014-12-30 | A kind of low stress adjustable axle center fixture for lathe Crankshaft Machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204381877U true CN204381877U (en) | 2015-06-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420858056.6U Expired - Fee Related CN204381877U (en) | 2014-12-30 | 2014-12-30 | A kind of low stress adjustable axle center fixture for lathe Crankshaft Machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204381877U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106041554A (en) * | 2016-08-02 | 2016-10-26 | 广州道注塑机械股份有限公司 | Eccentric long shaft part machining jig |
-
2014
- 2014-12-30 CN CN201420858056.6U patent/CN204381877U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106041554A (en) * | 2016-08-02 | 2016-10-26 | 广州道注塑机械股份有限公司 | Eccentric long shaft part machining jig |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 Termination date: 20181230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |